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Willamette River Floodplain 100 Meter Slices Framework Technical Details: Fish Communities ca. 2010

Creator:: University of Oregon. Institute for a Sustainable Environment and Enright, Chris
Abstract:: The SLICES framework is intended for use in making decisions about conservation and restoration in the Willamette River floodplain. It makes use of distinct spatial units, called slices, for planning and tracking change in the floodplain. The Fish Communities ca. 2010 Technical Report describes the two associated attributes (field names:...
Resource Type:: Technical Report
Full Text:: through 2013 using a standard sampling protocol. The mainstem Willamette River was divided into three

Comparisons of fish assemblages and habitat associations in littoral zones of reservoirs in the Willamette Basin, Oregon

Creator:: Bennett, Paul Michael
Abstract:: The littoral zones of seven reservoirs in the southern Willamette Valley of Oregon were sampled with a boat electroshocker during the summer months of 1995 and 1996. Shoreline substrates were inventoried before sampling sites were randomly selected. Sampling sites consisted of 9 of 12 possible habitat types including four substrate...
Resource Type:: Masters Thesis
Full Text:: utilization by fish in Willamette River Basin reservoirs, in particular, have not been studied quantitatively

Fish and amphibian use of intermittent streams within the upper Willamette Basin, Oregon

Creator:: Colvin, Randall William
Abstract:: In the fall through spring of 2002/03 and 2003/04, the composition of fish and amphibian communities were examined in intermittent streams in the upper Willamette river basin in western Oregon. I recorded standard aquatic habitat variables and water nutrient concentrations (nitrate and phosphate) and correlated them with fish and amphibian...
Resource Type:: Masters Thesis
Full Text:: were examined in intermittent streams in the upper Willamette river basin in western Oregon. I

A spatially explicit method for determining the effects of watershed scale land use on stream conditions

Creator:: Kehmeier, Jonathan W.
Abstract:: The primary goal of this research was to identify the impacts that individual agricultural land uses have on fish communities in small streams located in the Willamette Valley of western Oregon. The diverse nature of the land use features of the valley provided a challenging but useful system for the...
Resource Type:: Masters Thesis
Full Text:: . Gammon. 1987. Longitudinal changes in fish assemblages and water quality in the Willamette River, Oregon

Habitat relationships of native and non-native fishes of the Willamette River, Oregon

Creator:: Williams, Joshua E.
Abstract:: The Willamette River flows north between the Cascade Mountains and Coast Range of western Oregon within a 29,728-km² basin. The fish community in the geologically young basin consists of 36 native species, but introductions of non-native fishes have added 33 additional species for a total of 69 fish species. During...
Resource Type:: Masters Thesis
Full Text:: Willamette River was sampled during winter 2011 through spring 2012 to assess: (1) fish community

The Biology of the winter steelhead of the Willamette River, Oregon

Creator:: Clady, Michael D. (Michael David), 1942- and Oregon. State Game Commission. Research Division
Abstract:: This report the sizes for winter steelhead runs of the Willamette River and many of its tributaries from 1958-69, giving numbers and suggesting possible reasons for small runs.
Resource Type:: Technical Report
Full Text:: ~ 1. The Willamette River system, Oregon. 4 fish throughout the year while the older ladder was

1993 Calf Creek migrant trapping results and juvenile steelhead (Oncorhynchus mykiss) emigration estimate

Creator:: Harkleroad, Glenn R.
Abstract:: Trapping migrating steelhead trout smolts was done in the spring and early summer of 1993 as part of the 1990 Umpqua National Forest Land and Resource Management Plan. Calf Creek was monitored to "validate smolt output estimates" and to "determine if changes in habitat quality are occurring." (Introduction)
Resource Type:: Technical Report
Full Text:: May when Oregon Department of Fish and Wildlife biologists voiced concerns about pectoral fin clips

1991 and 1992 Calf Creek migrant trapping results and juvenile steelhead (Oncorhynchus mykiss) emigration estimate

Creator:: Harkleroad, Glenn R. and La Marr, Timothy J.
Abstract:: Trapping migrating steelhead trout smolts was done in the spring and early summers of 1991 and 1992 as part of the 1990 Umpqua National Forest Land and Resource Management Plan. Calf Creek was monitored to "validate smolt output estimates" and to "determine if changes in habitat quality are occurring." (Introduction)
Resource Type:: Technical Report
Full Text:: been determined to be the case by Oregon Dept. of Fish and Wildlife's trapping efforts at Winchester

Assessing disease impacts of hatcheries on downstream salmonids in the Willamette River Basin, Oregon

Creator:: Jakaitis, Michelle
Abstract:: Hatcheries are often perceived as a source of pathogen amplification, potentially increasing disease risk to free-ranging populations; at the same time, free-ranging fishes may introduce pathogens into hatcheries through untreated water sources. Many pathogens exist naturally within the environment (with the exception of introduced pathogens) and the presence of a...
Resource Type:: Masters Thesis
Full Text:: : Assessing Disease Impacts of Hatcheries on Downstream Salmonids in the Willamette River Basin, Oregon

Deschutes River summer steelhead ecology : July 1, 1969 - December 1, 1970

Creator:: Fessler, James Lawrence and Oregon. State Game Commission. Research Division
Abstract:: Results of the first year of the Deschutes summer steelhead ecology and hatchery assessment. “This report covers the first year of a study of Deschutes summer steelhead ecology and factors limiting efficiency of hatchery production of summer steelhead smolts” (Contents).
Resource Type:: Technical Report
Full Text:: 1971 RESEARCH DIVISION Oregon State Game Commission DESCHUTES RIVER SUMMER STEELHEAD ECOLOGY

ScholarsArchive@OSU

Willamette River Floodplain 100 Meter Slices Framework Technical Details: Fish Communities ca. 2010

Comparisons of fish assemblages and habitat associations in littoral zones of reservoirs in the Willamette Basin, Oregon

Fish and amphibian use of intermittent streams within the upper Willamette Basin, Oregon

A spatially explicit method for determining the effects of watershed scale land use on stream conditions

Habitat relationships of native and non-native fishes of the Willamette River, Oregon

The Biology of the winter steelhead of the Willamette River, Oregon

1993 Calf Creek migrant trapping results and juvenile steelhead (Oncorhynchus mykiss) emigration estimate

1991 and 1992 Calf Creek migrant trapping results and juvenile steelhead (Oncorhynchus mykiss) emigration estimate

Assessing disease impacts of hatcheries on downstream salmonids in the Willamette River Basin, Oregon

Deschutes River summer steelhead ecology : July 1, 1969 - December 1, 1970

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